this post was submitted on 17 Mar 2024
218 points (92.2% liked)

Space

8728 readers
66 users here now

Share & discuss informative content on: Astrophysics, Cosmology, Space Exploration, Planetary Science and Astrobiology.


Rules

  1. Be respectful and inclusive.
  2. No harassment, hate speech, or trolling.
  3. Engage in constructive discussions.
  4. Share relevant content.
  5. Follow guidelines and moderators' instructions.
  6. Use appropriate language and tone.
  7. Report violations.
  8. Foster a continuous learning environment.

Picture of the Day

The Busy Center of the Lagoon Nebula


Related Communities

πŸ”­ Science

πŸš€ Engineering

🌌 Art and Photography


Other Cool Links

founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 7 points 8 months ago (1 children)

Light does actually just lose energy to nowhere in our current understanding of expanding space.

[–] [email protected] 1 points 8 months ago (1 children)

How does this reconcile with the first law of thermodynamics? Or does it just not?

[–] [email protected] 2 points 8 months ago

I’m no expert, and I don’t think we know for sure, but it sounds like it might be related to the increase in vacuum energy from the added space. It’s also possible the total amount of net energy in the universe is 0 and conserved